Notes: If you know your password, but just want to change it, go to account.microsoft.com Security tab, and select Change my password. If you know your username and password but they have stopped working, read My username and password have stopped working.

当安装新应用、驱动程序或 Windows 更新以及当手动创建还原点时，会使用系统还原生成还原点。 还原不会影响你的个人文件，但会删除生成还原点后所安装的应用、驱动程序和更新。

In the upper left corner of the window, select the app launcher > All apps > SharePoint Tip: If you don't see the SharePoint app under All apps, use the Search box near the top of the window to search for SharePoint.

了解如何使用電腦健康情況檢查應用程式，協助改善您的裝置效能。 使用 Microsoft 帳戶登入或建立新帳戶，以跨裝置同步您的喜好設定，例如密碼、Microsoft Edge 瀏覽器設定 (例如我的最愛和閱讀清單、佈景主題等等)。

The Windows Scan app can help you scan pictures or documents and save them to your PC as JPEG, bitmap, or PNG files. For more info, see Install and use a scanner in Windows.. Get Windows Scan

如果你遇到了无线显示器或无线扩展坞连接问题，请尝试以下操作以修复问题： 请确保你的 Windows 10 设备支持 Miracast。 下面介绍如何在电脑上检查：选择“开始” 按钮，键入“连接”，然后从结果列表中选择“连接”。 在“连接”应用中，文本将告知你 Windows 10 设备是否支持它。

Check the Xbox services, games, and apps for any service outages.

Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.Therefore, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.

Windows 11 in S mode is designed for security and performance, exclusively running apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, you'll need to switch out of S mode.

開始する前に、Windows 11 PC が Bluetooth をサポートしていることを確認します。 確認方法の詳細については、「Windows の Bluetooth の問題を解決する」を参照してください。 Bluetooth 機能を備えていないデバイスの追加についてのヘルプは、「Windows PC にデバイスを追加する」を参照してください。